Halite (Rock Salt)
Halite (NaCl)
mineral
Category
Sedimentary (Chemically Precipitated Mineral)
Browse sedimentary (chemically precipitated mineral) specimens identified by the Rock Identifier community.
Learn about Sedimentary (Chemically Precipitated Mineral) in the encyclopedia
View all →
Quartz (Milky/Smoky variety)
Silicon Dioxide (SiO2)
mineral
Blue Apatite
Apatite (Calcium Phosphate) - Ca5(PO4)3(F,Cl,OH)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
sedimentary
Quartzite (River Cobble)
Quartzite (primarily SiO2)
metamorphic
Red Jasper
Microcrystalline Quartz (SiO2)
sedimentary
Pyrite
Iron Sulfide (FeS2)
mineral
Chert (Commonly known as Flint)
Microcrystalline Quartz (SiO2)
sedimentary
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Gold Nugget
Native Gold (Au)
mineral
Gold
Native Gold (Au)
mineral
Gold and Cubic Zirconia (San Judas Tadeo Pendant)
Native Gold (Au) with Synthetic Cubic Zirconia (ZrO2)
mineral
Gold
Native Gold (Au)
mineral
Milky Quartz (Water-Worn Cobble)
Silicon Dioxide (SiO2)
mineral
Chert (with Quartz veins)
Chert (Microcrystalline Silicon Dioxide, SiO2)
sedimentary
Quartz River Pebble with Algae
Silicon Dioxide (SiO2) with organic biofilm
metamorphic or igneous
Flint
Sedimentary cryptocrystalline quartz (SiO2)
sedimentary
Limestone with Calcite Veins
Calcium Carbonate (CaCO3)
sedimentary
Chert (specifically Jasper or Flint variant)
Cryptocrystalline Quartz (SiO2)
sedimentary
Septarian Nodule
Septarian Nodule (Calcite, Aragonite, and Limestone/Claystone)
sedimentary
Jasper and Agate Mix
Silicon dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Ironstone (likely Limonite or Goethite)
Ferruginous sedimentary rock (FeO(OH)·nH2O)
sedimentary
Goethite pseudomorph after Pyrite
Goethite (FeO(OH)) pseudomorph after Pyrite (FeS2)
mineral
Chert (specifically Green Chert/Jasper)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
sedimentary
Blue Chalcedony
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
mineral
Chert (Flint Nodule)
Microcrystalline quartz (SiO2)
sedimentary
Flint
Silicon dioxide (SiO2)
sedimentary
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Sulfur (with possible Cullet Glass or Slag imitation)
Native Sulfur (S8)
mineral
Fluorite (Green Fluorite)
Fluorite (Calcium Fluoride, CaF2)
mineral
Quartz (Chert/Chalcedony Variety)
Silicon Dioxide (SiO2)
mineral
Quartz (Milky/Chalcedony variety)
Silicon Dioxide (SiO2)
mineral
Chert (Green Chert)
Microcrystalline silica (SiO2)
sedimentary
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Honey Calcite
Calcium Carbonate (CaCO3)
mineral
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Yellow Calcite
Calcite (Calcium Carbonate, CaCO3)
mineral
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Chert (Field Stone)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary